The posterior bite plane is used in correcting 1) Deep overbite 2) Anterior open bite 3) Anterior crossbite 4) Posterior crossbite
OrthodonticsAnswer: 3
A child at 7.5 years of age receives extended course of tetracyline. Clinical crowns of which following teeth are likely to show discolouration 1) All permanent teeth will be discoloured 2) No teeth will be discoloured to an aesthetically objecionable degree 3) Only incisors and first molars affected 4) Only premolars and affected
OrthodonticsAnswer: 2
You are examining a case with class III incisor relation. Which of the following contribute to poor prognosis 1) Reduced overbite 2) Crowding or lower arch 3) Deviated path of closure 4) Retroclined upper central incisors
OrthodonticsAnswer: 1
Breathing is termed anatomic mouth breathing if there is 1) Short upper lip 2) Enlarged adenoid 3) Enlarged tonsil 4) Both A and B
OrthodonticsAnswer: 1
Radiogrphs of 5-year-old child shows an erupting permanent first molar erupting mesially resulting in resorption of roots of primary second molar. This condition is 1) Ankylosis 2) Ectopic eruption 3) Internal resorption 4) Premature eruption
OrthodonticsAnswer: 2
The body tissue that grows rapidly but shows minimal growth after the age of 6-7 years is 1) Neural tissue 2) Lymphoid tissue 3) Skeletal tissue 4) Genital tissue
OrthodonticsAnswer: 1
A disadvantage of removable space maintainer 1) Difficulty in maintaining vertical height 2) Not aesthetic 3) Difficult to clean 4) May not be worn by patient
OrthodonticsAnswer: 4
Frankel appliance confined to mixed dentition period is 1) Frankel I 2) Frankel II 3) Frankel III 4) Frankel IV
